anisotropic growth
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PAMM ◽  
2021 ◽  
Vol 21 (1) ◽  
Author(s):  
Lukas Lamm ◽  
Hagen Holthusen ◽  
Christian Böhm ◽  
Stefan Jockenhövel ◽  
Stefanie Reese
Keyword(s):  

2021 ◽  
Vol 12 (1) ◽  
Author(s):  
Léo Bürgy ◽  
Simona Eicke ◽  
Christophe Kopp ◽  
Camilla Jenny ◽  
Kuan Jen Lu ◽  
...  

AbstractLiving cells orchestrate enzyme activities to produce myriads of biopolymers but cell-biological understanding of such processes is scarce. Starch, a plant biopolymer forming discrete, semi-crystalline granules within plastids, plays a central role in glucose storage, which is fundamental to life. Combining complementary imaging techniques and Arabidopsis genetics we reveal that, in chloroplasts, multiple starch granules initiate in stromal pockets between thylakoid membranes. These initials coalesce, then grow anisotropically to form lenticular granules. The major starch polymer, amylopectin, is synthesized at the granule surface, while the minor amylose component is deposited internally. The non-enzymatic domain of STARCH SYNTHASE 4, which controls the protein’s localization, is required for anisotropic growth. These results present us with a conceptual framework for understanding the biosynthesis of this key nutrient.


2021 ◽  
Author(s):  
Paola Nardinocchi ◽  
Luciano Teresi

AbstractWe present a study of smart growth in layered cylindrical structures. We start from the characterization of a compatible growth field in an anisotropic growing tube with the aim to show a small perturbation in the compatible growth field that may produce a controlled deprivation of compatibility and localization of elastic energy storage in a composite structure made up of anisotropic growing tubes.


Author(s):  
Pranay Chakraborty ◽  
Tengfei Ma ◽  
Yinan Cui ◽  
Abigail Hunter ◽  
Lei Cao

Author(s):  
Gonglei Shao ◽  
Xiong-Xiong Xue ◽  
Meiqing Yang ◽  
Junqiang Yang ◽  
Xiao Liu ◽  
...  

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